Find the equation of the parabola described.Vertex at (7, -2); focus at (3, -2)
A. (y + 2)2 = -16(x - 7)
B. (x + 7)2 = -4(y - 2)
C. (y + 2)2 = 16(x - 7)
D. (x + 7)2 = 4(y - 2)
Answer: A
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 64 at 
minimum: -64 at 
B. Maximum: 64 at 
and 
minimum: -64 at 
and 
C. Maximum: 64 at 
minimum: 0 at 
D. Maximum: 64 at 
and 
minimum: -64 at 
and 
Match the function with its graph.1) y = sin 
x2) y = 
cos x3) y = 
sin x4) y = cos 
xA) B)
/> C) D)
A. 1A, 2D, 3C, 4B
B. 1A, 2C, 3D, 4B
C. 1B, 2D, 3C, 4A
D. 1A, 2B, 3C, 4D
Write the power of i as i, -1, -i, or 1.i21
A. -i B. -1 C. 1 D. i
Write the expression in expanded form.log5
3
A. 6 log5 x - 6 log5 4 - 3 log5 x - 6 log5 5 B. 3 log5(x - 4) + log5(x + 4) - 2 log5(x + 5) C. 3 log5(x - 4) + 3 log5(x + 4) - 6 log5(x + 5) D. 6 log5(x - 4) - 6 log5(x + 5)